Efficient and selective separation of Re(VII), an analogue of Tc(VII), by a defective biochar with honeycomb‐like porous structure
Hui Hu,
Sizhuo Yu,
Tian Wang
et al.
Abstract:BACKGROUNDIn this study, a defective biochar with honeycomb‐like porous structure (BC‐PH) was successfully prepared by the activation of pristine biochar derived from bamboo shoot shell with the chemical reagent KOH, and was applied to selectively separate ReO4− (a chemical analogue for radioactive TcO4−) from acidic solutions.RESULTSThe diffusion, mass transfer and recovery for ReO4− could be significantly improved by the large specific surface area (SBET, 2412 m2 g−1) and high total volume (Vtot, 1.26 cm3 g−… Show more
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